Galactic Center Radio Arc X-ray
Image
The Chandra data (diffuse blue emission) shows hot
X-ray gas that is seen over a large region of the core
of the Milky Way Galaxy.(Credit:
NASA/CXC/Northwestern/F.Zadeh et al.)

Galactic Center Radio Arc Millimeter
Wavelength Image
This image presents the distribution of cold gas as
seen in millimeter wavelength radio data, over the same
region as the Chandra image. These images come
observations made with Nobeyama Radio Observatory in
Japan.(Credit:
Nobeyama/M.Tsuboi)

Galactic Center Radio Arc
X-ray/Millimeter Wavelength Side by Side
This side-by-side composite shows the X-ray and
millimeter wave observations over the same region in
the core of the Milky Way Galaxy.(Credit: X-ray (blue):
NASA/CXC/Northwestern/F.Zadeh et al.; Millimeter
Wavelength (green): Nobeyama/M.Tsuboi)